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Roger Marble

Roger Marble
452 POSTS50 COMMENTS
http://www.RVTireSafety.net
Retired Tire Design and Forensic Engineer w/50+ years of experience. Currently has Class-C RV. Previous Truck Camper, Winnie Brave, Class-C & 23' TT. Also towed race car w/ 23' open trailer and in 26' Closed trailer. While racing he set lap records at 6 different tracks racing from Lime Rock, CT, to Riverside, CA, and Daytona to Mosport, Canada. Taught vehicle handling to local Police Depts.
Maintenance & Repair

Should you carry a spare tire?

Roger Marble - 5
RV Tire Safety with RV tire expert Roger Marble I have posted about spare tires on my blog and on various RV forums. One thing almost...
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Maintenance & Repair

Is it OK to run 70+ mph with ST-type tires? It depends …

Roger Marble - 11
RV Tire Safety with RV tire expert Roger Marble Is it OK to run 70 or 80 mph or faster with ST-type tires? Yes, if you...
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Maintenance & Repair

Are “ST”-type tires required on trailers?

Roger Marble - 7
RV Tire Safety with RV tire expert Roger Marble Question: "My 2012 Airstream Classic came with Goodyear Marathon ST225/75R15 LR-D tires. I would like to tell you...
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Maintenance & Repair

How to take good pictures of tire tread for a complaint

Roger Marble - 0
RV Tire Safety with RV tire expert Roger Marble I occasionally see posts from folks complaining about some tread or sidewall condition on their RV tires....
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Maintenance & Repair

Should you replace valve stems when installing TPMS sensors?

Roger Marble - 9
RV Tire Safety with RV tire expert Roger Marble Got this question on an RV forum: "I understand from the thread that you should use metal tire...
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Maintenance & Repair

The science of trailer tire inflation and failures

Roger Marble - 10
RV Tire Safety with RV tire expert Roger Marble "WARNING – Super Technical Post" —Roger I have had some folks who seem to want to replace science...
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Maintenance & Repair

Final results of TPMS comparison tests

Roger Marble - 7
RV Tire Safety with RV tire expert Roger Marble Comparison of TireTraker external vs. TST 507 internal TPMS: Summary and my opinion. Since March I have been...
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Maintenance & Repair

When should you replace your tires? How old is “too old”?

Roger Marble - 6
RV Tire Safety with RV tire expert Roger Marble A lot of folks talk about tire age and when they "age out." Here is what a...
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Maintenance & Repair

Internal vs. external TPMS comparison – Hot ambient temperature

Roger Marble - 1
RV Tire Safety with RV tire expert Roger Marble Since March I have been conducting a comparison of a couple different Tire Pressure Monitoring Systems (TPMS)....
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Maintenance & Repair

Do inner duals fail more often? If so, why?

Roger Marble - 9
RV Tire Safety with RV tire expert Roger Marble I recently read this on an RV Forum thread: "Isn't it weird how it always seems to be...
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Maintenance & Repair

Can you change tire size on your RV?

Roger Marble - 0
RV Tire Safety with RV tire expert Roger Marble There seems to be a bit of confusion when it comes to selecting tires to replace the...
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Maintenance & Repair

Radial tire belt “interply shear” and tire failure

Roger Marble - 1
RV Tire Safety with RV tire expert Roger Marble Originally posted on Airstream forum, but the answer applies to anyone running radial tires. "From my reading, if...
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